AU503196B2 - Neutron-gamma coal logging system - Google Patents

Neutron-gamma coal logging system

Info

Publication number
AU503196B2
AU503196B2 AU26523/77A AU2652377A AU503196B2 AU 503196 B2 AU503196 B2 AU 503196B2 AU 26523/77 A AU26523/77 A AU 26523/77A AU 2652377 A AU2652377 A AU 2652377A AU 503196 B2 AU503196 B2 AU 503196B2
Authority
AU
Australia
Prior art keywords
neutron
gamma
logging system
coal
coal logging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU26523/77A
Other versions
AU2652377A (en
Inventor
W. W Givens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExxonMobil Oil Corp
Original Assignee
Mobil Oil Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mobil Oil Corp filed Critical Mobil Oil Corp
Publication of AU2652377A publication Critical patent/AU2652377A/en
Application granted granted Critical
Publication of AU503196B2 publication Critical patent/AU503196B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/04—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging
    • G01V5/08—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays
    • G01V5/10—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources
    • G01V5/104—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity specially adapted for well-logging using primary nuclear radiation sources or X-rays using neutron sources and detecting secondary Y-rays as well as reflected or back-scattered neutrons

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of Radiation (AREA)
  • Geophysics And Detection Of Objects (AREA)
AU26523/77A 1976-08-16 1977-06-28 Neutron-gamma coal logging system Expired AU503196B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/714,441 US4066892A (en) 1976-08-16 1976-08-16 Coal logging system
USUS71444 1976-08-16

Publications (2)

Publication Number Publication Date
AU2652377A AU2652377A (en) 1979-01-04
AU503196B2 true AU503196B2 (en) 1979-08-23

Family

ID=24870056

Family Applications (1)

Application Number Title Priority Date Filing Date
AU26523/77A Expired AU503196B2 (en) 1976-08-16 1977-06-28 Neutron-gamma coal logging system

Country Status (3)

Country Link
US (1) US4066892A (en)
AU (1) AU503196B2 (en)
CA (1) CA1062814A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA795087B (en) * 1978-10-02 1981-04-29 Atomic Energy Authority Uk Measurement of the ash content of coal
US4510573A (en) * 1981-05-06 1985-04-09 Unc Nuclear Industries, Inc. Method for X-ray fluorescence spectroscopy
US4446369A (en) * 1981-10-13 1984-05-01 Mobil Oil Corporation Method and system for radioactive assaying
US4587422A (en) * 1984-01-06 1986-05-06 Bowers Craig R Subsurface density testing method
GB8523060D0 (en) * 1985-09-18 1985-10-23 Cogent Ltd Coal analysis
US4924099A (en) * 1986-12-15 1990-05-08 Exxon Production Research Company Method and apparatus for monitoring a flowstream
US20050139759A1 (en) * 1999-01-04 2005-06-30 Robert Pitts Lifetime pulsed neutron/chlorine combination logging tool
US7513305B2 (en) * 1999-01-04 2009-04-07 Weatherford/Lamb, Inc. Apparatus and methods for operating a tool in a wellbore
US7407006B2 (en) * 1999-01-04 2008-08-05 Weatherford/Lamb, Inc. System for logging formations surrounding a wellbore
US6825459B2 (en) 1999-01-04 2004-11-30 Weatherford/Lamb, Inc. Dual compensated chlorine logging tool
AU2001255282B2 (en) * 2000-04-11 2005-07-14 Welldog, Inc. In-situ detection and analysis of methane in coal bed methane formations with spectrometers
ES2286480T3 (en) * 2002-12-10 2007-12-01 Commonwealth Scientific And Industrial Research Organisation RADIOGRAPHIC EQUIPMENT
US7511266B1 (en) * 2006-12-06 2009-03-31 Bothner Ronald E Irradiated formation tool (IFT) apparatus and method
US20090045329A1 (en) * 2007-08-16 2009-02-19 Schlumberger Technology Corporation Downhole Tools Having Combined D-D and D-T Neutron Generators
US8347694B2 (en) * 2008-07-15 2013-01-08 Welker, Inc. LNG collection system and method
US20100124313A1 (en) * 2008-11-16 2010-05-20 Schlumberger Technology Corporation Methods and apparatus to perform downhole x-ray fluorescence
US20140319330A1 (en) * 2011-10-21 2014-10-30 Schlumberger Technology Corporation Elpasolite scintillator-based neutron detector for oilfield applications

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3115579A (en) * 1957-01-07 1963-12-24 Texaco Inc Radioactivity well logging for carbon determination
US3509343A (en) * 1967-08-21 1970-04-28 Schlumberger Technology Corp Measuring apparatus and method
US3654467A (en) * 1969-05-12 1972-04-04 Schlumberger Technology Corp Transplutonium neutron activation logging technique
US3849646A (en) * 1973-06-05 1974-11-19 Texaco Inc Inelastic neutron scattering methods to locate coal and oil shale zones

Also Published As

Publication number Publication date
US4066892A (en) 1978-01-03
AU2652377A (en) 1979-01-04
CA1062814A (en) 1979-09-18

Similar Documents

Publication Publication Date Title
AU521230B2 (en) Borehole logging
GB1550120A (en) System for telemetering well logging data
AU513551B2 (en) Logging text storage
CA1031870A (en) Neutron-neutron logging
AU506040B2 (en) Well logging
AU509955B2 (en) Sliding panel suspension system
AU512178B2 (en) Hydraulicall mining minerals
AU503196B2 (en) Neutron-gamma coal logging system
AU509279B2 (en) Sliding panel suspension system
AU2771577A (en) Sliding panel suspension system
AU511273B2 (en) Continuous mining
AU506863B2 (en) Coal liquifaction
AU510560B2 (en) Data receiver
JPS5366302A (en) Data transmitter
AU504761B2 (en) Coal deashing
AU501635B2 (en) Synthetic caking coal
AU504901B2 (en) Longwall mining method
AU511441B2 (en) Logging probe
AU509080B2 (en) Logging text storage
AU502098B2 (en) Deashing coal
AU502311B2 (en) Coal washboxes
AU506713B2 (en) Well logging
AU500187B2 (en) Conveying mined minerals
AU504938B2 (en) Subterranean drilling
AU504304B2 (en) Coal gasification